body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

h1 {
    text-align: center;
    margin: 20px 0;
}

table {
    border-collapse: collapse;
    width: 80%;
    margin: 20px auto;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

th, td {
    padding: 10px;
    text-align: center;
    border: 1px solid #ccc;
}

th {
    background-color: #333;
    color: #fff;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

img.course-image {
    max-width: 200px;
    max-height: 100px;
}

.total-amount {
    text-align: center;
    font-size: 18px;
}

.checkout-button {
    display: block;
    text-align: center;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    margin: 20px auto;
    border-radius: 5px;
    width: 120px;
}

.order-history,
.order-index {
    position: absolute;
    text-decoration: none;
    color: #333;
    top: 50px;
}

.order-history {
    right: 170px;
}

a:hover{
    text-decoration: underline;
}

.order-index {
    left: 170px;
}
